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[Xen-devel] [PATCH] [BIOS] TCGBIOS fixes

From: "Seiji Munetoh" <seiji.munetoh@xxxxxxxxx>

Date: Wed, 17 Oct 2007 12:20:03 +0900

Delivery-date: Tue, 16 Oct 2007 20:21:03 -0700

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List-id: Xen developer discussion <xen-devel.lists.xensource.com>

The attached patch fixes IPL measurement of El Torito CD boot and some eventlog formats. The TCG BIOS extensions are described here: https://www.trustedcomputinggroup.org/specs/PCClient/TCG_PCClientImplementationforBIOS_1-20_1-00.pdf - fix cdrom (El Torito) boot (8.2.5.6 El Torito, p63) tcpa_ipl() is modified to support various boot devices. move some measurement code into cdrom_boot() function. - fix EV_IPL (0Dh) event (10.4.1 Event Types, p76) eventfield size should be zero - fix EV_SEPARATOR event (3.2.2 Integrity Collection and Reporting, p32) change eventfield to -1 (0xFFFFFFFF) from "---------------" - add "Returned INT 19h" event (8.2.3 Logging of Boot Events, p59) actually, tcgbios does not call int19h, but we extend this tentatively Signed-off-by: Seiji Munetoh <seiji.munetoh@xxxxxxxxx>

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